# Download best quality audio:
youtube-dl --extract-audio --format "bestaudio/best" https://www.youtube.com/watch?v=uWusmdmc0to
# Download Best MP3 Audio or something like that:
yt-dlp --format "bestaudio[ext=mp3]/bestaudio/best" --extract-audio --audio-format mp3 --output "%(title)s.%(ext)s" --embed-thumbnail --add-metadata --restrict-filenames "https://www.youtube.com/watch?v=PGkxpiTmL2s"